ClassID:

30067

B01D2201/12 - CPC Classification

Classification description:

Details relating to filtering apparatus Pleated filters

Sub-classes:
Recent Application in this class:
#1
20260145106
2026-05-28

EXTRUDED NETTING FOR FILTERS

#2
20260138067
2026-05-21

FILTER ASSEMBLIES UTILIZING FULL CROSS-SECTION

#3
20260034481
2026-02-05

ENHANCED FUEL WATER SEPARATION USING STRUCTURAL EMBOSSING

#4
20260027503
2026-01-29

MULTI-STAGE PARTICULATE FILTER INCLUDING A CLEANING MECHANISM

#5
20250367582
2025-12-04

FILTER DEVICE

#6
20250312722
2025-10-09

Scented Air Filter Device and Method of Use

#7
20250281858
2025-09-11

LIQUID FILTRATION CARTRIDGE AND A SYSTEM FOR LIQUIED FILTRATION

#8
20250256226
2025-08-14

Variable Filter Media Thickness for Improved Flow and Filter Performance

#9
20250242313
2025-07-31

COMPOSITE FILTER MEDIA

#10
20250135383
2025-05-01

SPIN-ON FILTER WITH EXTERNAL THREADS AND METHODS

#11
20250114728
2025-04-10

FUEL FILTER

#12
20250099883
2025-03-27

HIGH FLOW, LOW HOLD UP FILTERS

#13
20250090988
2025-03-20

FOLDABLE FILTER WITH SUPPORT

#14
20250032961
2025-01-30

Filter Apparatus

#15
20240382875
2024-11-21

Filter Device

#16
20240367074
2024-11-07

FILTER DEVICE

#17
20240359117
2024-10-31

RADIAL PLEATS FOR A FILTER

#18
20240342633
2024-10-17

FILTER ARRANGEMENTS FOR LIQUIDS AND METHODS OF USE

#19
20240307801
2024-09-19

FILTER ELEMENT AND FILTER SYSTEM HAVING RADIAL FLOW BYPASS CHANNELS IN THE END PLATE

#20
20240279858
2024-08-22

NONWOVEN MATERIAL ADAPTED FOR HIGH EFFICIENCY AIR FILTRATION

#21
20240261711
2024-08-08

VALVE ARRANGEMENT, LIQUID FILTERS, FILTER ASSEMBLIES, AND METHOD

#22
20240226780
2024-07-11

Filter

#23
20240207770
2024-06-27

FILTER ELEMENT WITH CONVERTIBLE END CAP AND METHODS

#24
20240100453
2024-03-28

FILTER ARRANGEMENTS FOR LIQUIDS AND METHODS OF USE

#25
20240082775
2024-03-14

HIGH DENSITY FILTER ELEMENT

#26
20240082761
2024-03-14

RETROFITTING AND USE OF RECTANGULAR FILTERS, ASSEMBLY AND METHOD FOR FILTRATION

#27
20240066455
2024-02-29

FILTRATION MEDIA, FILTER PACKS, AND FILTER ELEMENTS WITH PROTRUSIONS

#28
20240001378
2024-01-04

SHOWERHEAD DEVICE INCLUDING PLEATED FILTER

#29
20230364538
2023-11-16

SYSTEM AND METHOD FOR FLUID FILTRATION

#30
20230277961
2023-09-07

Self cleaning filter system and method

#31
20230264122
2023-08-24

Filter element having flow directing tube and standpipe and filter systems including the filter element

#32
20230256364
2023-08-17

High flow, low hold up filters

#33
20230241540
2023-08-03

Filter element

#34
20230149839
2023-05-18

FILTER MEDIA INCLUDING FIBERS COMPRISING A MATRIX POLYMER AND IMPACT MODIFIER, AND RELATED METHODS

#35
20230133534
2023-05-04

COALESCING MEDIA

#36
20230025622
2023-01-26

Filter with electrically-conductive wrap

#37
20230002245
2023-01-05

FILTER MEDIA, FILTER CARTRIDGE CONTAINING FILTER MEDIA, AND METHOD OF FILTERING WATER

#38
20230001334
2023-01-05

Filter arrangements for liquids and methods of use

#39
20220410042
2022-12-29

Liquid filter

#40
20220362694
2022-11-17

Spin-on filter with external threads and methods

#41
20220331718
2022-10-20

Filter element

#42
20220280891
2022-09-08

FILTRATION ASSEMBLY COMPRISING A FILTERING CARTRIDGE AND AN AUXILIARY DEVICE

#43
20220274038
2022-09-01

Spin-on filter with external threads and methods

#44
20220212970
2022-07-07

Filter module for water dispensing device

#45
20220203276
2022-06-30

Reinforced spin on rechargeable filter and related method of manufacture

#46
20220176277
2022-06-09

Enhanced fuel water separation using structural embossing

#47
20220118386
2022-04-21

FILTER ASSEMBLIES UTILIZING FULL CROSS-SECTION

#48
20220062800
2022-03-03

Cassette filter having a filter element with special folding

#49
20220047978
2022-02-17

ANTI-MICROBIAL, ANTI-ALLERGENIC BIO-FUNCTIONAL AIR FILTER MEDIUM FOR RESIDENTIAL AIR FILTRATION AND AIR FILTER ELEMENT

#50
20220032217
2022-02-03

Valve arrangement, liquid filters, filter assemblies, and method

#51
20210394128
2021-12-23

COMPOSITE FILTER MEDIA

#52
20210394092
2021-12-23

System and method for fluid filtration

#53
20210388127
2021-12-16

Tetrafluoroethylene polymer, air filter medium, filter pack, and air filter unit

#54
20210379220
2021-12-09

Photocatalytic fluid filtration system and method

#55
20210322904
2021-10-21

Spin-on filter with external threads and methods

#56
20210291103
2021-09-23

Folded Filter Media Pack with Varying Channels and Deep Corrugations

#57
20210268320
2021-09-02

Multi-stage nasal filter

#58
20210260511
2021-08-26

Connector assembly, filter assembly, filter device, and method of use

#59
20210260505
2021-08-26

FILTER ASSEMBLY WITH MINIMIZED PRESSURE WITH REPLACEABLE ELEMENT THEREFORE WITH INTEGRATED DIVERTER ENDCAP

#60
20210236964
2021-08-05

Self cleaning filter system and method

#61
20210178309
2021-06-17

VARIABLE EFFICIENCY FILTRATION MEDIA

#62
20210138373
2021-05-13

Spin-on filter assembly with replaceable coreless element

#63
20210129050
2021-05-06

Filter arrangements for liquids and methods of use

#64
20210113942
2021-04-22

Systems and methods for securing a sealing member on a filter assembly

#65
20210106162
2021-04-15

POUR OVER TYPE SYSTEMS AND METHODS FOR SEPARATING AN EXTRACT FROM A SUSPENSION

#66
20210060465
2021-03-04

RETROFITTING AND USE OF RECTANGULAR FILTERS, ASSEMBLY AND METHOD FOR FILTRATION

#67
20210060456
2021-03-04

Filter media configurations

#68
20210023484
2021-01-28

Wash bucket dirt filter

#69
20200391143
2020-12-17

High flow, low hold up filters

#70
20200368647
2020-11-26

Suction filter for liquids

#71
20200360843
2020-11-19

Spin-on filter with external threads and methods

#72
20200330904
2020-10-22

Filter cartridge for liquid filtration; assembly; and, methods

#73
20200324235
2020-10-15

FILTER MEDIUM WITH NON-WOVEN AS SINGLE-LAYER FIBER COMPOSITE AND METHOD FOR PRODUCING SUCH A FILTER MEDIUM

#74
20200324230
2020-10-15

SPIN-ON FILTER WITH EXTERNAL THREADS AND METHODS

#75
20200298148
2020-09-24

Filter device

#76
20200155989
2020-05-21

Air filtration media with performing enhancing additives

#77
20200122071
2020-04-23

Air filters comprising polymeric sorbents for aldehydes

#78
20200114289
2020-04-16

Apparatus and method for filtering cryogenic fluid

#79
20200108341
2020-04-09

Particle filter as well as method for the manufacture thereof

#80
20200087441
2020-03-19

Processes for producing filter cartridge assemblies and molded polyurethane elastomers

#81
20200086261
2020-03-19

Variable Efficiency Filtration Media

#82
20200086253
2020-03-19

Filter element having intermittent coupling with housing cover

#83
20200054975
2020-02-20

Filter media comprising binder components

#84
20200016518
2020-01-16

Device for treating fluid

#85
20190388814
2019-12-26

Valve-sensor assembly

#86
20190374891
2019-12-12

Support structure for pleated filter media and methods

#87
20190366257
2019-12-05

Filter component

#88
20190224594
2019-07-25

PORTABLE FILTERING APPARATUS AND SYSTEM

#89
20190193008
2019-06-27

Spin-on filter with external threads and methods

#90
20190193002
2019-06-27

Fuel filter having high resistance to icing

#91
20190177468
2019-06-13

Processes for producing filter cartridge assemblies and molded polyurethane elastomers

#92
20190083911
2019-03-21

Canister Transmission Filter System

#93
20190046903
2019-02-14

Filter insert and a filter arrangement

#94
20190009204
2019-01-10

Folded filter media pack with varying channels and deep corrugations

#95
20180361277
2018-12-20

Filter device and method

#96
20180326334
2018-11-15

Spin-on filter with external threads and methods

#97
20180304179
2018-10-25

FILTER ASSEMBLY AND RELIEF VALVE OF SAME

#98
20180229162
2018-08-16

Filter device

#99
20180229157
2018-08-16

RETURN FILTER

#100
20180200650
2018-07-19

Method of manufacturing a fluid filter

#101
20180200645
2018-07-19

SEPARATION SYSTEM FOR SIMULTANEOUS REMOVAL OF BOTH SOLID PARTICLES AND LIQUID DROPLETS SUSPENDED IN ANOTHER LIQUID

#102
20180193776
2018-07-12

Filter cartridge for liquid filteration; assembly; and, methods

#103
20180154291
2018-06-07

Disk Filter Segment for a Collector

#104
20180147522
2018-05-31

Filter medium and filter unit

#105
20180133626
2018-05-17

Freezing resistant liquid filter

#106
20180104628
2018-04-19

Suction strainer

#107
20180071967
2018-03-15

FILTER CANDLE TO SEPARATE CONTAMINANTS FROM A PLASTIC MELT

#108
20180056226
2018-03-01

Filtration media, filter packs, and filter elements with protrusions

#109
20180050926
2018-02-22

Multi-stage filter assembly

#110
20170298885
2017-10-19

Method for producing an improved filter for injectors of fuel, oils, solutions, additives and fluids in general, and filter thus produced

#111
20170204821
2017-07-20

Fluid filter cartridge, fluid filter arrangement, and method for servicing a fluid filter arrangement

#112
20170175692
2017-06-22

APPLICATION SPECIFIC FUEL FILTER

#113
20170144091
2017-05-25

Fuel filter with water separator

#114
20170087492
2017-03-30

Spin-on filter with external threads and methods

#115
20170087491
2017-03-30

Spin-on filter with external threads and methods

#116
20170065924
2017-03-09

Filter and filter media having reduced restriction

#117
20170028328
2017-02-02

WATER FILTER AND MANIFOLD

#118
20170028324
2017-02-02

OIL STRAINER

#119
20170028321
2017-02-02

Bellows, Filter Element, and Method

#120
20160319781
2016-11-03

Air cleaner filter assembly for motor vehicles operating in extreme weather conditions

#121
20160310875
2016-10-27

High flow, low hold up filters

#122
20160310629
2016-10-27

Anti-Microbial Air Processor for a Personal Patient-Warming Apparatus

#123
20160288029
2016-10-06

Fuel Filter

#124
20160271530
2016-09-22

CARTRIDGE FILTER

#125
20160243481
2016-08-25

Embossed fluid filter treatment

#126
20160016106
2016-01-21

Corrugated filter media with modulated corrugations

#127
20150251111
2015-09-10

Self-supporting folded sheet material, filter elements, and methods

#128
20150151233
2015-06-04

Support structure for pleated filter media and methods

#129
20150136685
2015-05-21

Filter cartridges for liquid filtration; assembly; and, methods

#130
20140360950
2014-12-11

Trash tolerant filter support for a disc filter

#131
20140246383
2014-09-04

Modular filter cassette

#132
20140183120
2014-07-03

Filter

#133
20130264275
2013-10-10

Filter cartridge for liquid filtration; assembly; and, methods

#134
20130219844
2013-08-29

Method of adhering a pleated filtration media and filter and media filter stack using same

#135
20130213878
2013-08-22

Filter cartridge

#136
20120304607
2012-12-06

Air cleaner for motor vehicles operating in extreme weather conditions

#137
20120298573
2012-11-29

Disc filter

#138
20120266577
2012-10-25

Air cleaner filter assembly for motor vehicles operating in extreme weather conditions

#139
20120261331
2012-10-18

Embossed fluid filter element

#140
20120228210
2012-09-13

Filter structure

#141
20120205323
2012-08-16

Separatorless pleated fluid filter

#142
20120118814
2012-05-17

Pleated filter element with tapering bend lines

#143
20120118812
2012-05-17

Filter cartridge for liquid filtration; assembly; and, methods

#144
20120055127
2012-03-08

Filter and filter media having reduced restriction

#145
20120037556
2012-02-16

Filter element and filter assembly including locking mechanism

#146
20120024774
2012-02-02

Filter medium and filter element

#147
20110259838
2011-10-27

System for engine oil storage and filtration in an internal combustion engine

#148
20110186416
2011-08-04

Device suitable for treating a fluid, as well as a method suitable for manufacturing such a device

#149
20110139699
2011-06-16

Spin-on filter with external threads and methods

#150
20110132829
2011-06-09

Spin-on filter with external threads and methods

#151
20110132816
2011-06-09

Filter Provided with a Clogging Detector and an Assembly for Detecting the Presence of a Filtering Element Therein

#152
20110079549
2011-04-07

DEVICE AND FILTER CARTRIDGE FOR FILTERING LIQUID STATE MEDIUM

#153
20110023813
2011-02-03

Air cleaner for motor vehicles operating in extreme weather conditions

#154
20110023427
2011-02-03

Air cleaner filter assembly for motor vehicles operating in extreme weather conditions

#155
20110005990
2011-01-13

Filter

#156
20100252495
2010-10-07

Filter structure

#157
20100229513
2010-09-16

Air Filter for Internal Combustion Engines in Motor Vehicles and Method for Producing the Filter

#158
20090020484
2009-01-22

Venting device for a disc filter

#159
20090020483
2009-01-22

Trash tolerant filter support for a disc filter

#160
20080246182
2008-10-09

High flow fluid filtration systems and methods for manufacturing same

#161
20080245725
2008-10-09

Fluid filter

#162
20080245720
2008-10-09

Fluid filter cartridge and housing

#163
20080245719
2008-10-09

Filter element and filter assembly including locking mechanism

#164
20080067121
2008-03-20

Fluid filter element with reinforcing scrim

#165
20070017370
2007-01-25

Filter element

#166
20060186031
2006-08-24

Filter apparatus

#167
20060169632
2006-08-03

Filter element

#168
20060124535
2006-06-15

Water filtration system for high flow rate water tub circulation system

#169
20050224407
2005-10-13

Filter cartridge for liquid filtration; assembly; and, methods

#170
20050199542
2005-09-15

Acid reducing filter

#171
20050155334
2005-07-21

Filter bag assembly

#172
20050045553
2005-03-03

Filter having staged pleating

#173
19308409
2026-04-14

Shower filter element

#174
17145676
2023-05-02

Multi-stage filter assembly

#175
16351117
2020-07-14

Swimming pool cleaner with pleated medium filter